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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 10-13-2006, 11:01 PM   #11
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I've decided to sell my Helix full-titanium catback. If anyone is interested PM me for details.
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Old 10-14-2006, 07:51 AM   #12
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Regular stainless steel version of helix catback has a resonator, the Titanium version does not. So I would expect the exhaust to be quite loud and the sound would drone a bit on the highway.
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Old 11-05-2006, 10:59 PM   #13
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^ True. But it hauls though!
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Old 11-06-2006, 09:33 PM   #14
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Does anybody have a pic of the titanium Helix catback installed (especially pics from different angles?)?

J
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Old 11-06-2006, 09:38 PM   #15
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^2nd pic.

Official 2006 STI Owners Club

Sorry, it's the only pic I have. Someone took it for me; I'm too lazy and camera-less to take my own pics.
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Old 11-19-2006, 04:20 PM   #16
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I bought HERRJR's Helix Ti catback, and boy, what a delight it is already. But GODDAYAM is it LOOOOOOUUUUUUUDDDDD! As soon as it was installed, I noticed a large difference in canister & tip size, as well as piping size, compared to my 5Zigen Pro Racer exhaust. Also, the construction on the Helix piece is simply amazing--in one word, it's a work of art.

Upon firing up the car for the first time, I pretty much got a woody--the car sounded like it REALLY has balls now...sounds like a true race car. When I drove away from the exhaust shop, I INSTANTLY began scanning for cops nearby, everywhere I drove on the way home, haha. It's a new habit I've picked up, b/c the car scared people when I went WOT, but now, just driving around, everybody stops & looks at me like I'm insane...or trying to find a Harley Davidson.

It does drone on the freeway, but not too badly, and nothing that volume 12-13+ can't fix on the stock stereo, w/ most CDs I have, haha. If it's this loud now, I'm really nervous about going w/ a catless DP. Any soundclips of a helix ti exhaust w/ a catless DP?

Thanks,
J
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Originally Posted by blindfold
Regular stainless steel version of helix catback has a resonator, the Titanium version does not. So I would expect the exhaust to be quite loud and the sound would drone a bit on the highway.
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Old 10-29-2009, 09:09 AM   #17
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Default Re: helix titanium

where would i order for this catback i cant seem to find it
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Old 10-29-2009, 05:50 PM   #18
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Default Re: helix titanium

i still have the stainless version, it was pretty for sure, but took it off in favor of something a little more cop friendly. anybody want to buy it off me? haha
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